<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"
    />
    <title>base</title>
    <link rel="stylesheet" href="./res_cs/reset.css" type="text/css" />
    <link rel="stylesheet" href="./res_cs/index.css" type="text/css" />
  </head>
  <body>
    <div class="wrapper"></div>
    <script src="./res_js/flexible.js"></script>
    <script>
      function _$(el) {
        return document.querySelector(el);
      }
      function handleOpen(el) {
        this._$(el).style.display = "flex";
      }
      function handleClose(el) {
        this._$(el).style.display = "none";
      }

      function handleNext(el1, el2) {
        this._$(el1).style.display = "none";
        this._$(el2).style.display = "flex";
      }
    </script>
  </body>
</html>
